# US 2026/0107657 A1 · Display panel, manufacturing method therefor and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0107657 A1 - Document ID: US20260107657A1 - Status: Published application - Kind: A1 - Application number: 19/114,464 - Filed: 2024-01-02 - Published: 2026-04-16 - Earliest claimed: 2023-01-17 - Assignees: Boe Technology Group Co., Ltd. - Applicants: BOE Technology Group Co., Ltd. - Inventors: Mingche HSIEH - Web page: https://patentgrep.com/patent/US20260107657A1 ## CPC - H10K 59/121: characterised by the geometry or disposition of pixel elements - H10K 59/65: OLEDs integrated with inorganic image sensors - H10K 50/80: Constructional details - H10K 50/86: Arrangements for improving contrast, e.g. preventing reflection of ambient light - H10K 59/00: Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00 - H10K 59/1201: {Manufacture or treatment} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K 71/00: Manufacture or treatment specially adapted for the organic devices covered by this subclass - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract The present disclosure provides a display panel, including: a light-transmitting area, including a plurality of first pixel units, wherein a light-transmitting hole is provided between two adjacent first pixel units, and a hole wall of the light-transmitting hole is provided with a light-absorbing structure; and a display area, located outside the light-transmitting area and including a plurality of second pixel units, wherein a distribution density of the second pixel units in the display area is greater than a distribution density of the first pixel units in the light-transmitting area. ## Claims ### Claim 1 A display panel, comprising: a light-transmitting area, comprising a plurality of first pixel units, wherein a light-transmitting hole is provided between two adjacent first pixel units, and a hole wall of the light-transmitting hole is provided with a light-absorbing structure; and a display area, located outside the light-transmitting area and comprising a plurality of second pixel units, wherein a distribution density of the second pixel units in the display area is greater than a distribution density of the first pixel units in the light-transmitting area. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the display panel comprises: a substrate, comprising a first through hole located in the light-transmitting area; a driving layer, located on a side of the substrate, and comprising a second through hole located in the light-transmitting area, wherein a hole wall of the second through hole is provided with a first sub-light-absorbing structure, and a surface of the first sub-light-absorbing structure is at most flush with a hole edge of the first through hole on a side away from the driving layer; a light-emitting layer, located on a side of the driving layer away from the substrate, and comprising a third through hole located in the light-transmitting area, wherein a hole wall of the third through hole is at most flush with the surface of the first sub-light-absorbing structure; and a functional film layer, located on a side of the light-emitting layer away from the substrate, and comprising a fourth through hole located in the light-transmitting area, wherein a hole wall of the fourth through hole is provided with a second sub-light-absorbing structure, and a surface of the second sub-light-absorbing structure is at most flush with the hole wall of the third through hole. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the functional film layer comprises a black matrix layer, and the first sub-light-absorbing structure and the second sub-light-absorbing structure are manufactured in the same layer as the black matrix layer. ### Claim 4 (depends on 2) The display panel according to claim 2, wherein the driving layer comprises a planar layer, the planar layer is a black material layer, and the planar layer is manufactured in the same layer as the first sub-light-absorbing structure, or the light-emitting layer comprises a pixel definition layer, the pixel definition layer is the black material layer, and the pixel definition layer is manufactured in the same layer as the first sub-light-absorbing structure; and the functional film layer comprises a black matrix layer, and the second sub-light-absorbing structure is manufactured in the same layer as the black matrix layer. ### Claim 5 (depends on 4) The display panel according to claim 4, wherein the pixel definition layer is provided with a convex ring surrounding the second through hole. ### Claim 6 (depends on 2) The display panel according to claim 2, wherein the driving layer comprises a buffer layer, an active layer, a gate insulation layer, a gate metal layer, an interlayer insulation layer and a source-drain metal layer which are sequentially distributed in a direction away from the substrate; and at least one of the buffer layer, the gate insulation layer, the interlayer insulation layer, and the source-drain metal layer comprises a blocking structure formed on the hole wall of the second through hole and surrounding the first sub-light-absorbing structure. ### Claim 7 (depends on 6) The display panel according to claim 6, wherein the first through hole is provided with a stepped surface facing the driving layer, and the blocking structure is supported on the stepped surface. ### Claim 8 (depends on 1) The display panel according to claim 1, wherein the display panel further comprises a light-transmitting film layer at least located on a display side of the display panel, and the light-transmitting hole is covered by the light-transmitting film layer. ### Claim 9 A method for manufacturing a display panel, wherein the display panel comprises a light-transmitting area and a display area, and the method comprises: manufacturing a substrate, wherein the substrate comprises a first through hole located in the light-transmitting area; manufacturing a driving layer on a side of the substrate, wherein the driving layer comprises a second through hole located in the light-transmitting area, a hole wall of the second through hole is provided with a first sub-light-absorbing structure, and a surface of the first sub-light-absorbing structure is at most flush with a hole edge of the first through hole on a side away from the driving layer; manufacturing a light-emitting layer on a side of the driving layer away from the substrate, wherein the light-emitting layer comprises a third through hole located in the light-transmitting area, and a hole wall of the third through hole is at most flush with the surface of the first sub-light-absorbing structure; and manufacturing a functional film layer on a side of the light-emitting layer away from the substrate, wherein the functional film layer comprises a fourth through hole located in the light-transmitting area, a hole wall of the fourth through hole is provided with a second sub-light-absorbing structure, and a surface of the second sub-light-absorbing structure is at most flush with the hole wall of the third through hole. ### Claim 10 (depends on 9) The method according to claim 9, wherein manufacturing the driving layer on the side of the substrate comprises: sequentially manufacturing a buffer layer, an active layer, a gate insulation layer, a gate metal layer, an interlayer insulation layer, a source-drain metal layer and a planar layer on the side of the substrate, wherein the second through hole is formed in the stacked buffer layer, gate insulation layer, interlayer insulation layer and planar layer, and at least one of the buffer layer, the gate insulation layer, the interlayer insulation layer and the source-drain metal layer comprises a blocking structure formed on the hole wall of the second through hole, the planar layer is a black material layer, and a surface of the blocking structure is provided with the first sub-light-absorbing structure manufactured in the same layer as the planar layer. ### Claim 11 A display device, comprising a display panel, wherein the display panel comprises: a light-transmitting area, comprising a plurality of first pixel units, wherein a light-transmitting hole is provided between two adjacent first pixel units, and a hole wall of the light-transmitting hole is provided with a light-absorbing structure; and a display area, located outside the light-transmitting area and comprising a plurality of second pixel units, wherein a distribution density of the second pixel units in the display area is greater than a distribution density of the first pixel units in the light-transmitting area. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the display panel comprises: a substrate, comprising a first through hole located in the light-transmitting area; a driving layer, located on a side of the substrate, and comprising a second through hole located in the light-transmitting area, wherein a hole wall of the second through hole is provided with a first sub-light-absorbing structure, and a surface of the first sub-light-absorbing structure is at most flush with a hole edge of the first through hole on a side away from the driving layer; a light-emitting layer, located on a side of the driving layer away from the substrate, and comprising a third through hole located in the light-transmitting area, wherein a hole wall of the third through hole is at most flush with the surface of the first sub-light-absorbing structure; and a functional film layer, located on a side of the light-emitting layer away from the substrate, and comprising a fourth through hole located in the light-transmitting area, wherein a hole wall of the fourth through hole is provided with a second sub-light-absorbing structure, and a surface of the second sub-light-absorbing structure is at most flush with the hole wall of the third through hole. ### Claim 13 (depends on 12) The display device according to claim 12, wherein the functional film layer comprises a black matrix layer, and the first sub-light-absorbing structure and the second sub-light-absorbing structure are manufactured in the same layer as the black matrix layer. ### Claim 14 (depends on 12) The display device according to claim 12, wherein the driving layer comprises a planar layer, the planar layer is a black material layer, and the planar layer is manufactured in the same layer as the first sub-light-absorbing structure, or the light-emitting layer comprises a pixel definition layer, the pixel definition layer is the black material layer, and the pixel definition layer is manufactured in the same layer as the first sub-light-absorbing structure; and the functional film layer comprises a black matrix layer, and the second sub-light-absorbing structure is manufactured in the same layer as the black matrix layer. ### Claim 15 (depends on 14) The display device according to claim 14, wherein the pixel definition layer is provided with a convex ring surrounding the second through hole. ### Claim 16 (depends on 12) The display device according to claim 12, wherein the driving layer comprises a buffer layer, an active layer, a gate insulation layer, a gate metal layer, an interlayer insulation layer and a source-drain metal layer which are sequentially distributed in a direction away from the substrate; and at least one of the buffer layer, the gate insulation layer, the interlayer insulation layer, and the source-drain metal layer comprises a blocking structure formed on the hole wall of the second through hole and surrounding the first sub-light-absorbing structure. ### Claim 17 (depends on 16) The display device according to claim 16, wherein the first through hole is provided with a stepped surface facing the driving layer, and the blocking structure is supported on the stepped surface. ### Claim 18 (depends on 11) The display device according to claim 11, wherein the display panel further comprises a light-transmitting film layer at least located on a display side of the display panel, and the light-transmitting hole is covered by the light-transmitting film layer.